		function selecao(valor){
		    if(valor == 1){
		    	document.getElementById('1').style.display="block";
				document.getElementById('2').style.display="none";
				
				document.getElementById("1").disabled = false; //Habilitando
				document.getElementById("2").disabled = true; //Desabilitando 
			
		    }else if(valor == 2){
		    	document.getElementById('1').style.display="none";
				document.getElementById('2').style.display="block";
				
				document.getElementById("2").disabled = false; //Habilitando
				document.getElementById("1").disabled = true; //Desabilitando 
				
		    }
		}
